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libs/hwcodec/externals/AMF_v1.4.35/amf/public/common/CurrentTimeImpl.cpp vendored Normal file
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//
// Notice Regarding Standards. AMD does not provide a license or sublicense to
// any Intellectual Property Rights relating to any standards, including but not
// limited to any audio and/or video codec technologies such as MPEG-2, MPEG-4;
// AVC/H.264; HEVC/H.265; AAC decode/FFMPEG; AAC encode/FFMPEG; VC-1; and MP3
// (collectively, the "Media Technologies"). For clarity, you will pay any
// royalties due for such third party technologies, which may include the Media
// Technologies that are owed as a result of AMD providing the Software to you.
//
// MIT license
//
//
// Copyright (c) 2018 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
#include "CurrentTimeImpl.h"
namespace amf
{
//-------------------------------------------------------------------------------------------------
AMFCurrentTimeImpl::AMFCurrentTimeImpl()
: m_timeOfFirstCall(-1)
{
}
//-------------------------------------------------------------------------------------------------
AMFCurrentTimeImpl::~AMFCurrentTimeImpl()
{
m_timeOfFirstCall = -1;
}
//-------------------------------------------------------------------------------------------------
amf_pts AMF_STD_CALL AMFCurrentTimeImpl::Get()
{
amf::AMFLock lock(&m_sync);
// We want pts time to start at 0 and subsequent
// times to be relative to that
if (m_timeOfFirstCall < 0)
{
m_timeOfFirstCall = amf_high_precision_clock();
return 0;
}
return (amf_high_precision_clock() - m_timeOfFirstCall); // In nanoseconds
}
//-------------------------------------------------------------------------------------------------
void AMF_STD_CALL AMFCurrentTimeImpl::Reset()
{
m_timeOfFirstCall = -1;
}
}